package Pattern.decorator;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class InputTest {
    public static void main(String[] args) {
        int c;
        try {
            InputStream in=new LowerCaseInputStream(new BufferedInputStream(new FileInputStream("haha.txt")));

            while ((c=in.read())>=0){
                System.out.println((char)c);
            }

            in.close();
        }catch (IOException e){
            e.printStackTrace();
        }
    }
}
